/* ------------------------------------------------------------------------
 * 	Class: prettyPhoto
 * 		Use: Lightbox clone for jQuery
 * 			Author: Stephane Caron (http://www.no-margin-for-errors.com)
 * 				Version: 2.5.5
 * 				------------------------------------------------------------------------- */

(function ($) {
    $.prettyPhoto = {
        version: '2.5.5'
    };
    $.fn.prettyPhoto = function (settings) {
        settings = jQuery.extend({
            animationSpeed: 'normal',
            opacity: 0.50,
            showTitle: true,
            allowresize: true,
            default_width: 600,
            default_height: 400,
            counter_separator_label: '/',
            theme: 'dark_rounded',
            hideflash: false,
            wmode: 'opaque',
            autoplay: true,
            modal: false,
            changepicturecallback: function () {},
            callback: function () {},
            markup: '<div class="pp_pic_holder"> \
      <div class="pp_top"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
      <div class="pp_content_container"> \
       <div class="pp_left"> \
       <div class="pp_right"> \
        <div class="pp_content"> \
         <div class="pp_fade"> \
          <a href="#" class="pp_expand" title="Expand the image">Expand</a> \
          <div class="pp_loaderIcon"></div> \
          <div class="pp_hoverContainer"> \
           <a class="pp_next" href="#">next</a> \
           <a class="pp_previous" href="#">previous</a> \
          </div> \
          <div id="pp_full_res"></div> \
          <div class="pp_details clearfix"> \
           <a class="pp_close" href="#">Fechar</a> \
           <p class="pp_description"></p> \
           <div class="pp_nav"> \
            <a href="#" class="pp_arrow_previous">Previous</a> \
            <p class="currentTextHolder">0/0</p> \
            <a href="#" class="pp_arrow_next">Next</a> \
           </div> \
          </div> \
         </div> \
        </div> \
       </div> \
       </div> \
      </div> \
      <div class="pp_bottom"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
     </div> \
     <div class="pp_overlay"></div> \
     <div class="ppt"></div>',
            image_markup: '<img id="fullResImage" src="" />',
            flash_markup: '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="{width}" height="{height}"><param name="wmode" value="{wmode}" /><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="{path}" /><embed src="{path}" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="{width}" height="{height}" wmode="{wmode}"></embed></object>',
            quicktime_markup: '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="{height}" width="{width}"><param name="src" value="{path}"><param name="autoplay" value="{autoplay}"><param name="type" value="video/quicktime"><embed src="{path}" height="{height}" width="{width}" autoplay="{autoplay}" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>',
            iframe_markup: '<iframe src ="{path}" width="{width}" height="{height}" frameborder="no"></iframe>',
            inline_markup: '<div class="pp_inline clearfix">{content}</div>'
        }, settings);
        if ($.browser.msie && $.browser.version == 6) {
            settings.theme = "light_square";
        }
        if (!$pp_overlay) _buildOverlay();
        var doresize = true,
            percentBased = false,
            correctSizes, $pp_pic_holder, $ppt, $pp_overlay, pp_contentHeight, pp_contentWidth, pp_containerHeight, pp_containerWidth, windowHeight = $(window).height(),
            windowWidth = $(window).width(),
            setPosition = 0,
            scrollPos = _getScroll();
        $(window).scroll(function () {
            scrollPos = _getScroll();
            _centerOverlay();
            _resizeOverlay();
        });
        $(window).resize(function () {
            _centerOverlay();
            _resizeOverlay();
        });
        $(document).keydown(function (e) {
            if ($pp_pic_holder.is(':visible')) switch (e.keyCode) {
            case 37:
                $.prettyPhoto.changePage('previous');
                break;
            case 39:
                $.prettyPhoto.changePage('next');
                break;
            case 27:
                if (!settings.modal) $.prettyPhoto.close();
                break;
            };
        });
		
		
        $(this).each(function () {
            $(this).bind('click', function () {
                _self = this;
                theRel = $(this).attr('rel');
                galleryRegExp = /\[(?:.*)\]/;
                theGallery = galleryRegExp.exec(theRel);
                var images = new Array(),
                    titles = new Array(),
                    descriptions = new Array();
                if (theGallery) {
                    $('a[rel*=' + theGallery + ']').each(function (i) {
                        if ($(this)[0] === $(_self)[0]) setPosition = i;
                        images.push($(this).attr('href'));
                        titles.push($(this).find('img').attr('alt'));
                        descriptions.push($(this).attr('title'));
                    });
                } else {
                    images = $(this).attr('href');
                    titles = ($(this).find('img').attr('alt')) ? $(this).find('img').attr('alt') : '';descriptions = ($(this).attr('title')) ? $(this).attr('title') : '';
                }
                $.prettyPhoto.open(images, titles, descriptions);
                return false;
            });
        });
		
		
        $.prettyPhoto.open = function (gallery_images, gallery_titles, gallery_descriptions) {
            if ($.browser.msie && $.browser.version == 6) {
                $('select').css('visibility', 'hidden');
            };
            if (settings.hideflash) $('object,embed').css('visibility', 'hidden');
            images = $.makeArray(gallery_images);
            titles = $.makeArray(gallery_titles);
            descriptions = $.makeArray(gallery_descriptions);
            image_set = ($(images).size() > 0) ? true : false;_checkPosition($(images).size());$('.pp_loaderIcon').show();$pp_overlay.show().fadeTo(settings.animationSpeed, settings.opacity);$pp_pic_holder.find('.currentTextHolder').text((setPosition + 1) + settings.counter_separator_label + $(images).size());
            if (descriptions[setPosition]) {
                $pp_pic_holder.find('.pp_description').show().html(unescape(descriptions[setPosition]));
            } else {
                $pp_pic_holder.find('.pp_description').hide().text('');
            };
            if (titles[setPosition] && settings.showTitle) {
                hasTitle = true;
                $ppt.html(unescape(titles[setPosition]));
            } else {
                hasTitle = false;
            };movie_width = (parseFloat(grab_param('width', images[setPosition]))) ? grab_param('width', images[setPosition]) : settings.default_width.toString();movie_height = (parseFloat(grab_param('height', images[setPosition]))) ? grab_param('height', images[setPosition]) : settings.default_height.toString();
            if (movie_width.indexOf('%') != -1 || movie_height.indexOf('%') != -1) {
                movie_height = parseFloat(($(window).height() * parseFloat(movie_height) / 100) - 100);
                movie_width = parseFloat(($(window).width() * parseFloat(movie_width) / 100) - 100);
                percentBased = true;
            }
            imgPreloader = "";
            switch (_getFileType(images[setPosition])) {
            case 'image':
                imgPreloader = new Image();
                nextImage = new Image();
                if (image_set && setPosition > $(images).size()) nextImage.src = images[setPosition + 1];
                prevImage = new Image();
                if (image_set && images[setPosition - 1]) prevImage.src = images[setPosition - 1];
                $pp_pic_holder.find('#pp_full_res')[0].innerHTML = settings.image_markup;
                $pp_pic_holder.find('#fullResImage').attr('src', images[setPosition]);
                imgPreloader.onload = function () {
                    correctSizes = _fitToViewport(imgPreloader.width, imgPreloader.height);
                    _showContent();
                };
                imgPreloader.onerror = function () {
                    alert('Image cannot be loaded. Make sure the path is correct and image exist.');
                    $.prettyPhoto.close();
                };
                imgPreloader.src = images[setPosition];
                break;
            case 'youtube':
                correctSizes = _fitToViewport(movie_width, movie_height);
                movie = 'http://www.youtube.com/v/' + grab_param('v', images[setPosition]);
                if (settings.autoplay) movie += "&autoplay=1";
                toInject = settings.flash_markup.replace(/{width}/g, correctSizes['width']).replace(/{height}/g, correctSizes['height']).replace(/{wmode}/g, settings.wmode).replace(/{path}/g, movie);
                break;
            case 'vimeo':
                correctSizes = _fitToViewport(movie_width, movie_height);
                movie_id = images[setPosition];
                movie = 'http://vimeo.com/moogaloop.swf?clip_id=' + movie_id.replace('http://vimeo.com/', '');
                if (settings.autoplay) movie += "&autoplay=1";
                toInject = settings.flash_markup.replace(/{width}/g, correctSizes['width']).replace(/{height}/g, correctSizes['height']).replace(/{wmode}/g, settings.wmode).replace(/{path}/g, movie);
                break;
            case 'quicktime':
                correctSizes = _fitToViewport(movie_width, movie_height);
                correctSizes['height'] += 15;
                correctSizes['contentHeight'] += 15;
                correctSizes['containerHeight'] += 15;
                toInject = settings.quicktime_markup.replace(/{width}/g, correctSizes['width']).replace(/{height}/g, correctSizes['height']).replace(/{wmode}/g, settings.wmode).replace(/{path}/g, images[setPosition]).replace(/{autoplay}/g, settings.autoplay);
                break;
            case 'flash':
                correctSizes = _fitToViewport(movie_width, movie_height);
                flash_vars = images[setPosition];
                flash_vars = flash_vars.substring(images[setPosition].indexOf('flashvars') + 10, images[setPosition].length);
                filename = images[setPosition];
                filename = filename.substring(0, filename.indexOf('?'));
                toInject = settings.flash_markup.replace(/{width}/g, correctSizes['width']).replace(/{height}/g, correctSizes['height']).replace(/{wmode}/g, settings.wmode).replace(/{path}/g, filename + '?' + flash_vars);
                break;
            case 'iframe':
                correctSizes = _fitToViewport(movie_width, movie_height);
                frame_url = images[setPosition];
                frame_url = frame_url.substr(0, frame_url.indexOf('iframe') - 1);
                toInject = settings.iframe_markup.replace(/{width}/g, correctSizes['width']).replace(/{height}/g, correctSizes['height']).replace(/{path}/g, frame_url);
                break;
            case 'inline':
                myClone = $(images[setPosition]).clone().css({
                    'width': settings.default_width
                }).wrapInner('<div id="pp_full_res"><div class="pp_inline clearfix"></div></div>').appendTo($('body'));
                correctSizes = _fitToViewport($(myClone).width(), $(myClone).height());
                $(myClone).remove();
                toInject = settings.inline_markup.replace(/{content}/g, $(images[setPosition]).html());
                break;
            };
            if (!imgPreloader) {
                $pp_pic_holder.find('#pp_full_res')[0].innerHTML = toInject;
                _showContent();
            };
        };
        $.prettyPhoto.changePage = function (direction) {
            if (direction == 'previous') {
                setPosition--;
                if (setPosition < 0) {
                    setPosition = 0;
                    return;
                };
            } else {
                if ($('.pp_arrow_next').is('.disabled')) return;
                setPosition++;
            };
            if (!doresize) doresize = true;
            _hideContent(function () {
                $.prettyPhoto.open(images, titles, descriptions)
            });
            $('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed);
        };
        $.prettyPhoto.close = function () {
            $pp_pic_holder.find('object,embed').css('visibility', 'hidden');
            $('div.pp_pic_holder,div.ppt,.pp_fade').fadeOut(settings.animationSpeed);
            $pp_overlay.fadeOut(settings.animationSpeed, function () {
                $pp_pic_holder.attr('style', '').find('div:not(.pp_hoverContainer)').attr('style', '');
                _centerOverlay();
                if ($.browser.msie && $.browser.version == 6) {
                    $('select').css('visibility', 'visible');
                };
                if (settings.hideflash) $('object,embed').css('visibility', 'visible');
                setPosition = 0;
                settings.callback();
            });
            doresize = true;
        };
        _showContent = function () {
            $('.pp_loaderIcon').hide();
            projectedTop = scrollPos['scrollTop'] + ((windowHeight / 2) - (correctSizes['containerHeight'] / 2));
            if (projectedTop < 0) projectedTop = 0 + $ppt.height();
            $pp_pic_holder.find('.pp_content').animate({
                'height': correctSizes['contentHeight'] - 15
            }, settings.animationSpeed);
            $pp_pic_holder.animate({
                'top': projectedTop,
                'left': (windowWidth / 2) - (correctSizes['containerWidth'] / 2),
                'width': correctSizes['containerWidth']
            }, settings.animationSpeed, function () {
                $pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(correctSizes['height']).width(correctSizes['width']);
                $pp_pic_holder.find('.pp_fade').fadeIn(settings.animationSpeed);
                if (image_set && _getFileType(images[setPosition]) == "image") {
                    $pp_pic_holder.find('.pp_hoverContainer').show();
                } else {
                    $pp_pic_holder.find('.pp_hoverContainer').hide();
                }
                if (settings.showTitle && hasTitle) {
                    $ppt.css({
                        'display': 'none',
                        'top': $pp_pic_holder.offset().top - 25,
                        'left': $pp_pic_holder.offset().left + 20
                    });
                    $ppt.fadeIn(settings.animationSpeed);
                };
                if (correctSizes['resized']) $('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
                settings.changepicturecallback();
            });
        };

        function _hideContent(callback) {
            $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility', 'hidden');
            $pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed, function () {
                $('.pp_loaderIcon').show();
                if (callback) callback();
            });
            $ppt.fadeOut(settings.animationSpeed);
        }

        function _checkPosition(setCount) {
            if (setPosition == setCount - 1) {
                $pp_pic_holder.find('a.pp_next').css('visibility', 'hidden');
                $pp_pic_holder.find('a.pp_arrow_next').addClass('disabled').unbind('click');
            } else {
                $pp_pic_holder.find('a.pp_next').css('visibility', 'visible');
                $pp_pic_holder.find('a.pp_arrow_next.disabled').removeClass('disabled').bind('click', function () {
                    $.prettyPhoto.changePage('next');
                    return false;
                });
            };
            if (setPosition == 0) {
                $pp_pic_holder.find('a.pp_previous').css('visibility', 'hidden');
                $pp_pic_holder.find('a.pp_arrow_previous').addClass('disabled').unbind('click');
            } else {
                $pp_pic_holder.find('a.pp_previous').css('visibility', 'visible');
                $pp_pic_holder.find('a.pp_arrow_previous.disabled').removeClass('disabled').bind('click', function () {
                    $.prettyPhoto.changePage('previous');
                    return false;
                });
            };
            if (setCount > 1) {
                $('.pp_nav').show();
            } else {
                $('.pp_nav').hide();
            }
        };

        function _fitToViewport(width, height) {
            hasBeenResized = false;
            _getDimensions(width, height);
            imageWidth = width;
            imageHeight = height;
            if (((pp_containerWidth > windowWidth) || (pp_containerHeight > windowHeight)) && doresize && settings.allowresize && !percentBased) {
                hasBeenResized = true;
                notFitting = true;
                while (notFitting) {
                    if ((pp_containerWidth > windowWidth)) {
                        imageWidth = (windowWidth - 200);
                        imageHeight = (height / width) * imageWidth;
                    } else if ((pp_containerHeight > windowHeight)) {
                        imageHeight = (windowHeight - 200);
                        imageWidth = (width / height) * imageHeight;
                    } else {
                        notFitting = false;
                    };
                    pp_containerHeight = imageHeight;
                    pp_containerWidth = imageWidth;
                };
                _getDimensions(imageWidth, imageHeight);
            };
            return {
                width: Math.floor(imageWidth),
                height: Math.floor(imageHeight),
                containerHeight: Math.floor(pp_containerHeight),
                containerWidth: Math.floor(pp_containerWidth) + 40,
                contentHeight: Math.floor(pp_contentHeight) + 20,
                contentWidth: Math.floor(pp_contentWidth),
                resized: hasBeenResized
            };
        };

        function _getDimensions(width, height) {
            width = parseFloat(width);
            height = parseFloat(height);
            $pp_details = $pp_pic_holder.find('.pp_details');
            $pp_details.width(width);
            detailsHeight = parseFloat($pp_details.css('marginTop')) + parseFloat($pp_details.css('marginBottom'));
            $pp_details = $pp_details.clone().appendTo($('body')).css({
                'position': 'absolute',
                'top': -10000
            });
            detailsHeight += $pp_details.height();
            detailsHeight = (detailsHeight <= 34) ? 36 : detailsHeight - 20;
            if ($.browser.msie && $.browser.version == 7) detailsHeight += 8;$pp_details.remove();pp_contentHeight = height + detailsHeight;pp_contentWidth = width;pp_containerHeight = pp_contentHeight + $ppt.height() + $pp_pic_holder.find('.pp_top').height() + $pp_pic_holder.find('.pp_bottom').height();pp_containerWidth = width;
        }

        function _getFileType(itemSrc) {
            if (itemSrc.match(/youtube\.com\/watch/i)) {
                return 'youtube';
            } else if (itemSrc.match(/vimeo\.com/i)) {
                return 'vimeo';
            } else if (itemSrc.indexOf('.mov') != -1) {
                return 'quicktime';
            } else if (itemSrc.indexOf('.swf') != -1) {
                return 'flash';
            } else if (itemSrc.indexOf('iframe') != -1) {
                return 'iframe'
            } else if (itemSrc.substr(0, 1) == '#') {
                return 'inline';
            } else {
                return 'image';
            };
        };

        function _centerOverlay() {
            if (doresize) {
                titleHeight = $ppt.height();
                contentHeight = $pp_pic_holder.height();
                contentwidth = $pp_pic_holder.width();
                projectedTop = (windowHeight / 2) + scrollPos['scrollTop'] - ((contentHeight + titleHeight) / 2);
                $pp_pic_holder.css({
                    'top': projectedTop,
                    'left': (windowWidth / 2) + scrollPos['scrollLeft'] - (contentwidth / 2)
                });
                $ppt.css({
                    'top': projectedTop - titleHeight,
                    'left': (windowWidth / 2) + scrollPos['scrollLeft'] - (contentwidth / 2) + 20
                });
            };
        };

        function _getScroll() {
            if (self.pageYOffset) {
                return {
                    scrollTop: self.pageYOffset,
                    scrollLeft: self.pageXOffset
                };
            } else if (document.documentElement && document.documentElement.scrollTop) {
                return {
                    scrollTop: document.documentElement.scrollTop,
                    scrollLeft: document.documentElement.scrollLeft
                };
            } else if (document.body) {
                return {
                    scrollTop: document.body.scrollTop,
                    scrollLeft: document.body.scrollLeft
                };
            };
        };

        function _resizeOverlay() {
            windowHeight = $(window).height();
            windowWidth = $(window).width();
            $pp_overlay.css({
                'height': $(document).height()
            });
        };

        function _buildOverlay() {
            $('body').append(settings.markup);
            $pp_pic_holder = $('.pp_pic_holder');
            $ppt = $('.ppt');
            $pp_overlay = $('div.pp_overlay');
            $pp_pic_holder.attr('class', 'pp_pic_holder ' + settings.theme);
            $pp_overlay.css({
                'opacity': 0,
                'height': $(document).height()
            }).bind('click', function () {
                if (!settings.modal) $.prettyPhoto.close();
            });
            $('a.pp_close').bind('click', function () {
                $.prettyPhoto.close();
                return false;
            });
            $('a.pp_expand').bind('click', function () {
                $this = $(this);
                if ($this.hasClass('pp_expand')) {
                    $this.removeClass('pp_expand').addClass('pp_contract');
                    doresize = false;
                } else {
                    $this.removeClass('pp_contract').addClass('pp_expand');
                    doresize = true;
                };
                _hideContent(function () {
                    $.prettyPhoto.open(images, titles, descriptions)
                });
                $pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed);
                return false;
            });
            $pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click', function () {
                $.prettyPhoto.changePage('previous');
                return false;
            });
            $pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click', function () {
                $.prettyPhoto.changePage('next');
                return false;
            });
        };
        _centerOverlay();
    };

    function grab_param(name, url) {
        name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
        var regexS = "[\\?&]" + name + "=([^&#]*)";
        var regex = new RegExp(regexS);
        var results = regex.exec(url);
        if (results == null) return "";
        else return results[1];
    }
})(jQuery);